<!doctype html>
<html>
<head>
<title></title>
<meta charset="utf-8">
</head>

<body>
<script language="javascript" type="text/javascript">



var o = getCookie("zhu");

alert(o);

function getCookie( name )
{
    var start = document.cookie.indexOf( name + "=" );
    var len = start + name.length + 1;
    if ( ( ! start ) && ( name != document.cookie.substring( 0, name.length ) ) )
    {
        return null;
    }
    if ( start == - 1 ) return null;
    var end = document.cookie.indexOf( ";", len );
    if ( end == - 1 ) end = document.cookie.length;
    return unescape( document.cookie.substring( len, end ) );
}


</script>
</body>
</html>  
